When the power goes out at mission critical sites, not having the resources in place to maintain uninterrupted operations can have high consequences. Thousands — or millions — of people can be impacted, and lives and businesses are put at risk. For decades, Xerxes has provided underground storage of emergency fuel and water to hospitals, data centers, airports, power plants, financial institutions, and military sites.
Composite Solutions for Fuel, Water, and Stormwater
Providing safe storage of liquids at mission critical facilities is nothing new for Xerxes — with more than 225,000 composite fuel and water tanks manufactured and shipped to projects throughout North America. That’s why some of the world’s largest corporations and organizations think of Xerxes as the most trusted brand for underground storage of liquids.
Locations where continuous operation is critical are facilities for public safety, national security, economic stability and business continuity. For these facilities to remain operational at times of emergency, they need secure supplies of fuel, potable water and fire suppression water.
Xerxes’ latest innovation is the HydroChain™ stormwater product line, which includes storage, infiltration and water quality products backed by decades of expert engineering, materials innovation and proven installation.
Why Go Underground?
- Mitigates security concerns about damage from severe weather events such as earthquakes and fires, and vandalism
- Protects stored liquids from extreme weather and temperature variations
- Meets regulatory requirements
- Leaves land available for development, green space and parking
- Eliminates worries about site’s aesthetics
- Addresses space constraints, which are especially valuable with tight footprints
- Requires near-zero maintenance
Why Go Composite?
- Inherently 100% corrosion-resistant — with no need for inspections and maintenance required by steel’s added lining or coating for corrosion protection
- Higher strength-to-weight ratio than steel or concrete
- Ability to hold any liquid — including, but not limited to, chemicals, traditional fuels and biofuels, water, wastewater and stormwater
- Installation labor and equipment cost savings
- Ease of order, shipment and installation
Here's how our customers describe Xerxes:
Excellent responsive service.
Problem-free handling and installation.
Amazing performance and service life.
Mission Critical Capabilities
Fuel Storage Tanks
Securely store diesel, traditional fuels, new biofuels and diesel exhaust fuel (DEF)
- Compatible with ultra-low sulfur diesel (ULSD), biodiesels and traditional fuels
- Not susceptible to microbial influenced corrosion (MIC) that can lead to tank failure in steel tanks storing USLD
- Unlimited system capacity
- ANSI/CAN/UL/ULC 1316:2018 listed
- 30-year limited warranty
Water Storage Tanks
Securely store water & wastewater, including potable and fire suppression
- Unlimited system capacities
- Water treatment and reuse capabilities mitigate local water source depletion
- 100% corrosion-resistant to surrounding soil and stored liquids
- Meet or exceed industry standards (including NSF/ANSI/CAN 61)
- Requires no costly ongoing maintenance and inspections
Stormwater Management Products
Securely manage water volume, remove pollutants and restore water quality
- Designed and engineered to meet site-specific requirements and local regulations
- 100% corrosion-resistant composite material provides structural strength and stiffness
- 100-year service life
- Meet or exceed industry standards
- Expert stormwater engineers provide support throughout the entire process
Typical Locations
- Hospitals & medical centers
- Data centers
- Financial institutions
- Communication hubs
- Emergency services centers
- Infrastructure control centers
- Airports
- Government & military facilities
- Power plants
- Water treatment plants
- Nuclear power plants
Project Snapshot: Fuel Tank
The liquid storage needs at mission critical facilities has a wide range of capacity requirements. Sometimes a site’s system calls for millions of gallons of water storage. Sometimes a site needs thousands of gallons of fuel storage. That was the case at a world-renowned urban hospital in Texas, where two Xerxes fiberglass tanks will store emergency fuel supplies for decades to come.
Project Snapshot: Water Tank
To meet requirements in the event that hospitals lose power, Xerxes can supply tanks that meet any water or wastewater need. Recently, two 12-foot-diameter, 20,000-gallon tanks were installed at a children’s hospital in Oakland, California. As is often the case at existing metropolitan facilities, this installation of onsite septic tanks had to take place within a tight footprint. That’s never a problem with easy-to-install Xerxes fiberglass tanks.

